- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 21/12 - BasesStationary contacts mounted thereon
Patent holdings for IPC class H01H 21/12
Total number of patents in this class: 40
10-year publication summary
|
1
|
6
|
4
|
6
|
6
|
1
|
2
|
3
|
0
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Omron Corporation | 7425 |
4 |
| Kabushiki Kaisha Tokai Rika Denki Seisakusho | 1865 |
4 |
| Black & Decker, Inc. | 2471 |
3 |
| Primax Electronics Ltd. | 506 |
3 |
| Alps Alpine Co., Ltd. | 2331 |
3 |
| Siemens Industry, Inc. | 1589 |
2 |
| LG Electronics Inc. | 76087 |
1 |
| Honeywell International Inc. | 12766 |
1 |
| Denso Corporation | 25746 |
1 |
| DENSO International America, Inc. | 645 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 34471 |
1 |
| Shimano Inc. | 3318 |
1 |
| Addenergie Technologies Inc. | 44 |
1 |
| ERICO International Corporation | 270 |
1 |
| Importla, LLC | 68 |
1 |
| Japan Aviation Electronics Industry, Limited | 1864 |
1 |
| Pass & Seymour, Inc. | 177 |
1 |
| Qingdao Goertek Technology Co., Ltd. | 67 |
1 |
| Schneider Electric USA, Inc. | 1325 |
1 |
| Shanghai Baicheng Electric Equipment Manufacture Co., Ltd. | 16 |
1 |
| Other owners | 7 |